Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
94 Overall Score
vs
Samsung T9 Portable SSD 2TB USB 3.2 Gen 2
Samsung
77 Overall Score
What Buyers Say
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
No customer feedback yet
Samsung T9 Portable SSD 2TB USB 3.2 Gen 2
92 out of 100 low confidence 5 reviews
Users are overwhelmingly positive about the Samsung T9 SSD, praising its blazing-fast speeds, portability, and durability. It's highly recommended for photographers, gamers, and general storage needs, with many noting it's reliable for backups and large file transfers. The only minor hesitation mentioned is the price, though some found refurbished options at a better value.
Pros
- Blazing fast speeds
- Portable and compact
- Durable build
- Reliable for backups
- Easy Mac compatibility
Cons
- High price
- Pricey for new units
Speed 5
Portability 4
Durability 3
Reliability 3
Value for money 2
Gaming performance 2
Scores
Portable
Console
Gaming
Workstation
Budget
Laptop
Specifications
| Western Digital WD_BLACK SN850X | Samsung T9 Portable SSD | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | External |
| Interface | PCIe 4.0 x4 | USB 3.2 Gen 2 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4★ | — |
| External | ✗ | ✓ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC | MLC★ |
| DRAM Cache | ✓★ | ✗ |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | 3 | 5★ |
| Features | ||
| Heatsink | ✓★ | — |
| Hardware Encryption | — | ✓★ |
Pros & Cons
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (96th percentile)96th %ile
- Strong social proof (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (9th percentile)9th %ile
Samsung T9 Portable SSD 2TB USB 3.2 Gen 2
- Strong social proof (95th percentile)95th %ile
- Strong user sentiment (95th percentile)95th %ile
- Strong feature (86th percentile)86th %ile
- Strong capacity (79th percentile)
- Below average affordability (20th percentile)20th %ile
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 94 overall, wins 5 of 6 usage categories and 10 of 17 specs.